A student hypothesizes that a goldfish will be more active in a bowl that has red gravel than in a bowl with grey gravel. To test this hypothesis, the student places on goldfish in a bowl with red gravel and another in a bowl with grey gravel. The color of the gravel is the blank variable in the experiment.
A. Control
B. Responding
C. Dependent
D. Independent
Is the answer D?
5 answers
no
OK is the answer C?
I agree
it is not c
it is probably D
4 answers